ON Semiconductor
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MPSA43
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MPSA43 Transistor

Product Overview

Category

The MPSA43 transistor belongs to the category of small signal transistors.

Use

It is commonly used for amplification and switching applications in electronic circuits.

Characteristics

  • Low power dissipation
  • High current gain
  • Low noise

Package

The MPSA43 is typically available in a TO-92 package.

Essence

This transistor is essential for low-power, high-gain amplification in various electronic devices.

Packaging/Quantity

It is usually packaged in reels or tubes containing multiple units.

Specifications

  • Collector-Base Voltage (VCBO): 80V
  • Collector-Emitter Voltage (VCEO): 80V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 500mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (ft): 100MHz

Detailed Pin Configuration

The MPSA43 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High current gain
  • Low noise
  • Fast switching speed

Advantages

  • Low power dissipation
  • High current gain
  • Suitable for low-level audio amplification

Disadvantages

  • Limited voltage and current ratings
  • Relatively low transition frequency

Working Principles

The MPSA43 operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The MPSA43 transistor finds applications in: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the MPSA43 include: - 2N4403 - BC557 - BC558 - 2N3906

In conclusion, the MPSA43 transistor is a versatile component with applications in various electronic circuits, offering high current gain and low power dissipation. While it has limitations in terms of voltage and current ratings, it remains a popular choice for low-power amplification and switching tasks.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MPSA43 v technických řešeních

  1. What is the MPSA43 transistor used for?

    • The MPSA43 is a high voltage NPN bipolar junction transistor (BJT) commonly used for amplification and switching applications.

  2. What are the typical operating conditions for the MPSA43?

    • The MPSA43 typically operates at a collector-emitter voltage (Vce) of 200V, a collector current (Ic) of 500mA, and a power dissipation (Pd) of 625mW.

  3. How can I identify the pinout of the MPSA43 transistor?

    • The pinout of the MPSA43 is typically Emitter-Base-Collector (EBC), with the flat side facing towards you and the pins down, the left pin is the emitter, the middle pin is the base, and the right pin is the collector.

  4. What are some common applications of the MPSA43 in technical solutions?

    • The MPSA43 is commonly used in audio amplifiers, signal processing circuits, voltage regulators, and general purpose switching applications.

  5. What are the key characteristics of the MPSA43 that make it suitable for technical solutions?

    • The MPSA43 has a high voltage rating, low saturation voltage, and high current gain, making it suitable for various high voltage and switching applications.

  6. Can the MPSA43 be used in low power applications?

    • While the MPSA43 is capable of handling higher power levels, it can also be used in low power applications where its high voltage rating and other characteristics are beneficial.

  7. Are there any specific considerations for driving the MPSA43 in a switching application?

    • When driving the MPSA43 in a switching application, it's important to consider the base current and voltage requirements to ensure proper saturation and switching speed.

  8. What are the temperature limitations of the MPSA43?

    • The MPSA43 has a maximum operating temperature of 150°C, so thermal management should be considered in high temperature environments.

  9. Can the MPSA43 be used in automotive applications?

    • Yes, the MPSA43 can be used in automotive applications where its high voltage capability and ruggedness are advantageous.

  10. Where can I find detailed specifications and application notes for the MPSA43?

    • Detailed specifications and application notes for the MPSA43 can be found in the datasheet provided by the manufacturer or on their official website.